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From: Jeff Higgins <jeff@invalid.invalid>
Newsgroups: comp.lang.java.programmer
Subject: Re: A small quiz
Date: Thu, 01 Oct 2015 12:49:06 -0400
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On 10/01/2015 11:59 AM, Eric Douglas wrote:
>
> So the valueOf is pointless?
> I tried this little test program:
> public static void main(String[] args) {
>       String s = null;
>       System.out.println(s);
>       System.out.println(String.valueOf(s));
>       System.out.println(String.valueOf(null));
> }
> It didn't crash until it tried to get the valueOf the constant.
>
It would have, hadn't PrintStream checked for a null.

   public void print(String s) {
     if (s == null) {
       s = "null";
     }
     write(s);
   }